<template>
  <div>
      <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图区 -->
    <el-card>
        <el-row :gutter="20">
        <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList"><el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button></el-input>
        </el-col>
        <el-col :span="4"><el-button type="primary" @click="goAddGoods">添加商品</el-button></el-col>        
    </el-row>

    <!-- table表格区 -->
    <el-table :data="goodsList"  border stripe>
      <el-table-column type="index"></el-table-column>
      <el-table-column label="商品名称" prop="goods_name"></el-table-column>     
      <el-table-column label="商品价格(元)" prop="goods_price" width="100px"></el-table-column>
      <el-table-column label="商品重量(克)" prop="goods_weight" width="100px"></el-table-column>
      <el-table-column label="创建时间" prop="add_time" width="200px">
        <template slot-scope="scope">
          {{scope.row.add_time | dataFormat}}
        </template>
      </el-table-column>    
      <el-table-column label="操作" width="250px">
        <template slot-scope="scope">
          <el-button size="mini" type="primary" icon="el-icon-edit">编辑</el-button>
          <el-button size="mini" type="danger" icon="el-icon-delete" @click="deletegoodList(scope.row.goods_id)">删除</el-button>
        </template>
      </el-table-column>     


      
    </el-table>



    <!-- 分页区 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[10, 20, 50, 70]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      background
    >
    </el-pagination>

    </el-card>
  </div>
</template>

<script>
export default {
  data() {
    return {      
      queryInfo:{                
          type:3,  //多少层
          query:'',
          pagenum:1,  //当前页面
          pagesize:10    // 每一面多少条数据          
      },
      goodsList:[],    //商品列表
      total:0, //总数据条数
      
    }
  },
  created() {
    // this.getPaginationData()
    this.getGoodsList()
  },
  methods: {
    async getGoodsList(){
      const {data:res}=await this.$http.get('goods',{params:{pagenum:this.queryInfo.pagenum,pagesize:this.queryInfo.pagesize,query:this.queryInfo.query}})
      if(res.meta.status!==200){
        return this.$message.error('获取商品列表失败');
      }
      this.$message.success('获取商品列表成功！')
      this.goodsList=res.data.goods
      this.total=res.data.total
      console.log('获取商品列表',res.data)
      
    },
    //监听当前页面的序号
    handleCurrentChange(pagenum){
      this.queryInfo.pagenum=pagenum
      this.getGoodsList()
    },
    //监听每一页多少条数据
    handleSizeChange(newSize){
      this.queryInfo.pagesize=newSize
      this.getGoodsList()
    },
    //根据id删除数据列
    async deletegoodList(deleteid){
      const confirmResult=await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
      if(confirmResult!=='confirm'){
        return this.$message.info('已取消删除')
      }

      //删除
      const {data:res}=await this.$http.delete(`goods/${deleteid}`)
      if(res.meta.status!==200){
        return this.$message.error('删除商品失败')
      }
      this.$message.success('删除商品成功')
      this.getGoodsList()
    },
    goAddGoods(){
      this.$router.push('/goods/addGoods')
    }
  },

}
</script>

<style lang="less">


</style>